Home / 7,213.86-10,818.90-2,018.52

Finding the Fourth Proportional to 7,213.86, 10,818.90 and 2,018.52

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Solution

The fourth proportional to 7,213.86, 10,818.90 and 2,018.52 is: 3,027.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.86 : 10,818.90 = 2,018.52 : x
  2. Step 2: Convert to fraction form
    7,213.86/10,818.90 = 2,018.52/x
  3. Step 3: Cross multiply
    7,213.86x = 10,818.90 × 2,018.52
  4. Step 4: Simplify right side
    7,213.86x = 21,838,166.03
  5. Step 5: Solve for x
    x = 21,838,166.03/7,213.86
  6. Step 6: Final answer
    x = 3,027.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.